Automatic contact device for use in pocket lamps



June 29,1926( 1,590,541

F. R. PANIC) AUTOMATIC CONTACT DEVICE FOR USE IN POCKET LAMPS FiledAugust 15, 1923 Fig: 1 3

In wenrar FE? Fai/r/fi Patented June 29, 1926. q

UNITED STATES PATENT OFFICE.

FRANS ROBERT rilvlo, F RAISIO, FINLAND.

AUTOMATIC CONTACT nnvxon FOR USE IN POCKET LAMPS.

Application filed August 15, 1923, Serial No. 657,626, and in FinlandMarch 28, 1923.

This invention relates to a contact device guide member 14, aperturedatits two ends for electric circuits in general, and more 14 and 14: andat its central portion 14, particularly, for pocket lamps. to slidablyreceive and guide switch as A defect in contact devices of electricshown in Fig. 2. The end 11 of switch 10, 5 pocket lamps is that thecircuit is often is cut off obliquely as at 15 to coact with a closedwhile the lamp is not in use. looped spring click portion 16 formed nearFurthermore, the devices now in use are the end 1% in the guide 14Loften rather .itiicult to manipulate. The switch 10 is suticiently heavyto auto- One purpose of the present invention is matically operate, theswitch sliding in- 10 the elimination of the above defects, and thewardly and outwardly of the casing, under invention resides chiefly inhaving the con the influence of its own weight, when held tac member ofsuch a type that, by reason in position for such operation of its ownweight, it can move freely against If desired to hold the switch incircuit the closure or contact point and, in similar opening position,so that it ill not operate 15 manner, away from the contact point whenautomatically under its own weight, the the lamp is in a given position,thus closing switch is pushed back beyond click member and opening thecircuit by its own weight. 16 to the position shown in Fig. 3 where-Further, the external part of the switch is upon the click 16 snaps overthe end 15 of connected with the contact members in such switch 10, andholds the switch in open posi- 20 a manner as to move freely with thispart, tion, until it is again positively moved from the direction ofmovement being away from, such position. Normally, when operated by andtoward the casing for respectively closits own weight to openingposition the ing and opening the circuit. Hence, on GX- switch member isheld from passing back ternal contact with an operating member, of theclick member by click 16, bearing the contact member is moved back fromthe against the curved portion of end 11' of closure position and thecircuit in the lamp switch 10. Vith the switch in circuit clos isopened. ing position as shown in Fig. 2, a circuit One embodiment of theinvention is ilis formed from the source 7, through conlustrat-ed in theaccompanying drawing tact 8, switch 10, casing 1, contacts 5 and so 30wherein, 6, and member 9, back to the source.

Fig. 1 is an elevation of a pocket lamp ac Having described myinvention, what I cording to this invention with a portion claim is ofthe casing removed. A contact device for pocket lamps, com- Figs. 2 and3 are plan views, showing the prising, a casing, an electric circuittherein, 3:} device with closed and with open circuit, and a switch inthe circuit, the switch being respectively, the front lamp cover beingrcweighed, whereby to freely move under the moved. sole influence of itsown weight, when held The device includes a casing, with the in properpositions, for opening and closusual front cover 2, and lens 3. WVithinthe in; the circuit, said switch being supplied 4o casing, and behindlens 3 is an incandeswith an operating button exterior of the cent bulb4t, fitted with contacts 5 and 6, casing, for manual operation whendesired, for connection with a source of electric cur- Said ch movinginwardly of, and out rent 7. The current source 7 has leads 8 q y C S1g, for breaking and d 9 f connection ith th t t 5 making the circultrespectively, and means (5 16 ti l coacting w th the switch for lockingthe Positioned in the upper end of the casing, FQ agamst autofnatlcmolement P is a slidable switch 10, formed in an open P operatlon 0t h y10013 One d 11 f hi h i lid b i the ton to 1ts 1nnermost position 1ntliecasing. casing at 12, and extends to the exterior In tesblmony Y f Ihave slgned y thereof, to receive an operating button 13. name to thlsSpeclficatlon- In one side of easing 1, is a U-shaped spring FRANSROBERT PAIVIC).

